HP 8000dn Service Manual - Page 99

Service Mode The Service Mode should be used only by authorized service personnel. While in Service Mode, you can: Verify and set the Page Count and serial number. These are displayed on the Configuration Page. Set the Cold Reset Paper Size Default. (This sets the factory default paper size to either Letter or A4.) Clear the Event Log. Initiate the Service Mode as follows: 1 Hold down SELECT and JOB CANCEL while powering on the printer, until all lights are illuminated and the Display is blank. (If the Display Panel reads at this point, the keys were released too soon. Repeat this step until successful.) 2 Press MENU, then SELECT. The message is displayed briefly, then the printer automatically begins an . After several seconds, both Control Panel Indicators turn off. (The printer may display if it has not warmed up completely.) After the printer has warmed up and passed the self test, is displayed. 3 Press MENU once to display . To exit the Service Mode press GO. EN Service Mode 75